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The Infrastructure is best described by the image below:
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The App Service needs several secrets that it receives from an Azure Key Vault by authentication via role-based access control (RBAC) as a System Managed Identity. It also authenticates via the same method with the Azure SQL Server and Database. Using the secrets provided by the key vault, the App Service can authenticate users and query the AzureOpenAI resource using the API key, as well as connect to the SQL database to run queries.
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